40719887136 has 84 divisors (see below), whose sum is σ = 120196001142. Its totient is φ = 13573287936.

The previous prime is 40719887077. The next prime is 40719887149. The reversal of 40719887136 is 63178891704.

It can be written as a sum of positive squares in only one way, i.e., 22698435600 + 18021451536 = 150660^2 + 134244^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 849441 + ... + 896096.

Almost surely, 2^40719887136 is an apocalyptic number.

It is an amenable number.

40719887136 is an abundant number, since it is smaller than the sum of its proper divisors (79476114006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40719887136 is an equidigital number, since it uses as much as digits as its factorization.

40719887136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745565 (or 1745542 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 40719887136 in words is "forty billion, seven hundred nineteen million, eight hundred eighty-seven thousand, one hundred thirty-six".